ICStation team introduce you this Ultrasonic Distance Display ISD1820 Voice Alarm System based on ICStation UNO. This system can be made easily with low cost and is suitable for automobile and Workshop and so on.
To make this system, we need the following components:
icstation UNO:
http://www.icstation.com/product_info.php?products_id=3516
HC-SR04 Distance Transducer Sensor:
http://www.icstation.com/product_info.php?products_id=1389
ISD1820 Voice Board:
http://www.icstation.com/product_info.php?products_id=1562
More details:
http://www.instructables.com/id/Ultrasonic-Distance-Display-ISD1820-Voice-Alarm-Sy/
